Created os_alloc_prep, a function to prepare and authenticate the OS interface file system.
Created os_alloc_prep, a function to prepare and authenticate the OS interface file system.

Change-Id: I0f45cc16dc6c786b71fd3d348aad318caffdcf7f

01org/intel-cmt-cat,01org/intel-cmt-cat,01org/intel-cmt-cat